2222122121984 has 18 divisors (see below), whose sum is σ = 4435564079940. Its totient is φ = 1111061060864.

The previous prime is 2222122121977. The next prime is 2222122121987. The reversal of 2222122121984 is 4891212212222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2222122121987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4340082014 + ... + 4340082525.

Almost surely, 2^{2222122121984} is an apocalyptic number.

It is an amenable number.

2222122121984 is a deficient number, since it is larger than the sum of its proper divisors (2213441957956).

2222122121984 is an frugal number, since it uses more digits than its factorization.

2222122121984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8680164555 (or 8680164541 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The spelling of 2222122121984 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-one thousand, nine hundred eighty-four".